title: Effect of lead shielding cutouts on dose to overlying tissue for 7 MV electrons.
mesh_terms: D002280:Basal Cell Carcinoma / Q000532:radiotherapy*; D004431:Ear, External; D005373:Film Dosimetry; D006801:Humans; D007854:Lead; D011835:Radiation Protection / Q000379:methods*; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy; D012878:Skin Neoplasms / Q000532:radiotherapy*
chemical_list: D007854:Lead